Stripping device

Abstract

To provide a stripping device with which productivity is improved.SOLUTION: A cable stripping device 1 includes a base module 10 and a blade cassette 20. The blade cassette includes a blade carrier 21 and a cutting blade 23 for forming a cut in an insulator. The blade carrier and a first drive shaft 8 of the base module include a driver pin 12 and an attachment hole for detachably attaching the blade carrier to the first drive shaft. The cutting blade or a second drive shaft 9 of the base module has a guide slot configured to engage a guide element 11 that is provided on the other of the cutting blade or the second drive shaft. The cutting blade is pivotable towards the rotational axis or away from the rotational axis in response to rotation of the second drive shaft relative to the first drive shaft and to the blade carrier and a movement of the guide element along the guide slot relative to the blade carrier.SELECTED DRAWING: Figure 2

Description

[Technical field]

[0001] The present disclosure relates to a stripping apparatus for stripping cables, a base module for the stripping apparatus, a blade cassette for the stripping apparatus, a system comprising a stripping apparatus, a calibration station and a plug gauge, an installation aid for the stripping apparatus, and a system comprising the stripping apparatus and the installation aid. [Background technology]

[0002] To connect the cable to the plug, the ends of the cables are stripped and connected to the contact elements. For this purpose, the insulation of the ends of the cables is cut, for example by a blade, to expose the core of the cable. Usually, this stripping is carried out automatically in the manufacturing system using a suitable stripping machine.

[0003] A typical stripping machine usually has two blades that translate toward each other to cut a portion of the cable insulation, so that when the insulation is stripped, an uncut portion of broken insulation is often left behind, which is acceptable in non-critical applications.

[0004] So-called profiled blades, which are designed for a desired cutting contour, are an area of ​​improvement: these profiled blades provide better cutting results but can only be used in a limited way in their scope of application for different cables and cutting depths.

[0005] In order to obtain a good cutting result over a wider area, units with rotating blades are used, where the blades do not only move towards each other, but also move around the circumference of the cable by a rotating movement, as disclosed for example in EP 4102660 A1 or EP 3895267 A1, thus ensuring that the cut into the cable is made completely around the circumference.

[0006] Additional stripping devices are disclosed, for example, in DE202008017576U1, CN106607953A, CN110829288A, CN111063492A, CN212182984U, US2018 / 0090918A1, US2020 / 0076174A1, and WO2020 / 119916A1.

[0007] The additional rotational movement using a rotating blade requires more complex mechanisms compared to typical stripping machines having only translational blade movement, which makes maintenance and modifications more complex and negatively impacts the productivity of the corresponding system, for example, through unproductive downtime.

[0008] The objective of this disclosure is to improve productivity.

[0009] This object is achieved by a stripping device according to claim 1, a base module according to claim 8, a blade cassette according to claim 9, a calibration station according to claim 10, a system according to claim 11, a mounting aid according to claim 12 or a system according to claim 15. Further embodiments are described in the dependent claims.

[0010] The blade cassette may be removably provisioned to the base module or machine as a unit and thus can be quickly replaced, for example with the aid of a calibration station, in particular while the base module and / or machine is performing another production run using a different blade cassette.

[0011] The blade cassette can be quickly and easily attached to and detached from the base module. There is no need to disassemble the base module to attach or detach the blade cassette. In particular, the blade cassette can be attached or detached without disassembling parts of the base module, such as the first and second drive shafts. The drive shaft and its support on the housing of the base module remain unchanged during attachment or detachment of the blade cassette. Preferably, the drive shaft maintains its support for the blade cassette even when the blade cassette is removed from the base module. This allows for quick and easy replacement of the blade cassette, reducing downtime.

[0012] The first and second drive shafts are supported relative to one another. For example, the first drive shaft is directly supported on the housing of the base module and the second drive shaft is supported on the first drive shaft and thus indirectly supported on the housing. Alternatively, both drive shafts are directly or indirectly supported on the housing. The drive shafts may be provided with a through hole for passing the cable to be processed along a common rotation axis. The through hole may be coaxial with the through hole of the blade cassette, in particular with the through hole of the blade cassette and with the through hole of the cover plate.

[0013] The end of the first output shaft to which the blade carrier is removably attached may, for example, be a flat surface perpendicular to the axis of rotation and / or an annular surface, in particular an end face of the first output shaft. This surface may be formed on an outwardly extending flange. A drive pin may be provided on the surface.

[0014] The second output shaft may have a flat end surface facing the blade carrier and perpendicular to the axis of rotation. A guide pin may be provided on the surface. The end surfaces of the first and second output shafts may be in the same plane or may be in planes parallel to each other.

[0015] The first and second drive shafts may protrude through a part of the housing of the base module, in particular the part supporting said drive shafts, the drive part of the drive shaft (e.g. an electric motor) may be provided on a first side of the part of the housing and the parts of the first and second drive shafts provided for mounting the blade cassette may be provided on a second side of the part of the housing opposite the first side.

[0016] The blade cassette or blade carrier is preferably supported only on the drive shaft, but not directly on the housing of the base module, allowing for a simple and attractive design and allowing quick and easy installation and removal of the blade cassette.

[0017] To adjust the pivot position of the cutting blade, the first and second drive shafts rotate relative to each other. Depending on the direction of the relative rotation, the cutting blade either pivots towards the through-hole of the blade cassette formed by the through-hole of the blade carrier and the through-hole of the cover plate, i.e. towards the cutting position, or pivots away from the through-hole of the blade cassette, i.e. towards the home position. To rotate the blade cassette without changing the position of the cutting blade, i.e. the pivot position, the first and second drive shafts are rotated synchronously in the same direction and at the same speed. The relative rotation may also be performed during the rotation of both drive shafts, one drive shaft rotating at a different speed than the other drive shaft, so that the position or the cutting depth of the cutting blade is changed during the cutting process, i.e. the rotation of the blade cassette around the cable to be processed. After the cutting process, for example, the cutting blade remains in the cutting position while the cable is pulled out of the through-hole of the blade cassette, whereby the cut-off portion of the insulation is removed from the core of the cable with the aid of the cutting blade. The cutting blade then returns to its home position and is available for a new stripping process.

[0018] The driver pin perfectly fixes the blade cassette onto the base module. The drive pin ensures that the blade cassette is correctly positioned and rotates around the cable to be processed. The driver pin allows the blade cassette to be quickly and easily attached and detached to the end of the first drive shaft. The blade cassette with its disc-shaped blade carrier and disc-shaped cover plate is compact and easy to handle and store. The cutting blade is located between the blade carrier and the cover plate and is therefore protected.

[0019] The provision of blade cassettes with cutting blades, i.e. the number and / or position of cutting blades supported by the blade carrier, may vary depending on the cable to be processed. The same blade carrier may be provided with different numbers and / or positions of cutting blades. For delicate cuts (e.g. shielding foils), fewer cutting blades, e.g. two or three, are preferred in order to make the most of the cutting edge. For cutting and stripping thicker parts of cables with strong adhesion (e.g. cable sheath or inner dielectric), more cutting blades (e.g. four or six) are preferred, which increases the service life of the cutting blades and prevents slippage of the stripped cable parts and excessive strain on the cutting blades during stripping of multiple contact points.

[0020] The mounting aid holds the cutting blade in its fixed position by means of a central pin, thus facilitating assembly of the blade cassette and minimizing the mechanical complexity of the blade cassette, since e.g. a return spring is not required. Alternatively / additionally, the cutting blade may be pre-tensioned, e.g. towards the fixed position, by a return spring or other elastic means.

[0021] With the aid of the calibration station it is ensured that the cutting blade reliably reaches and does not exceed the desired cutting depth, in particular by means of the calibration station the calibration of the blade cassette can be performed independently of the base module.

[0022] Further features and applications can be gleaned from the description of the exemplary embodiments with reference to the drawings. [Brief description of the drawings]

[0023] [Figure 1] FIG. 1 shows a perspective view of a system having a stripping device, a calibration station, and a plug gauge. [Diagram 2] FIG. 2 shows an exploded perspective view of the stripping device. [Diagram 3] FIG. 3 is a perspective view of a calibration station with a blade cassette and plug gauge mounted thereon. [Figure 4] FIG. 4 shows an exploded perspective view of the calibration station, blade cassette, and plug gauge. [Diagram 5] 5A and 5B show front views of a blade carrier with three and six cutting blades mounted thereon, respectively. [Figure 6] 6A and 6B show front views of a blade carrier with two and four cutting blades mounted thereon, respectively. [Figure 7] FIG. 7 shows an exploded perspective view of the stripping device. [Figure 8] FIG. 8 shows an exploded perspective view of the stripping device. [Figure 9] FIG. 9 shows an exploded perspective view of the stripping device. [Figure 10] FIG. 10 shows an exploded perspective view of the stripping device. [Figure 11] 11A and 11B each show a perspective view of an expanding mandrel. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0024] The following embodiments are described with reference to the drawings, in which identical features are numbered with the same reference numerals and, for clarity, not all reference numerals are used in all drawings.

[0025] FIG. 1 shows a perspective view of a system with a stripping device 1, a calibration station 40 and a plug gauge 42. FIG. 2 shows an exploded perspective view of the stripping device 1. The stripping device 1 comprises a base module 10 with a housing 7, two drive shafts 8, 9 supported on the housing 7 and a blade cassette 20. The drive shafts 8, 9 extend inside each other. More precisely, the second drive 9 extends inside the first drive shaft 8. The first drive shaft 8 and the second drive shaft 9 are each configured as a hollow shaft. Alternatively, the second drive shaft 9 may be configured as a solid shaft, i.e. without a central through hole. The first drive shaft 8 and the second drive shaft 9 extend coaxially. The first drive shaft 8 and the second drive shaft 9 rotate about a common rotation axis x (see FIG. 5A). The stripping device 1 comprises two drive motors 5. The first drive shaft 8 and the second drive shaft 9 are each rotatable by one of two drive motors 5 via a drive belt 6 .

[0026] The first drive shaft 8 and the second drive shaft 9 each have a flat end surface at one end. The end surfaces are perpendicular to the rotation axis x and face the same direction. The other end of the first drive shaft 8 is provided with driver pins 12 (two in this embodiment) that are parallel to the rotation axis x and protrude from the end face of the first drive shaft 8. The end face of the first drive shaft 8 is provided with three screw holes 13. The end face of the second drive shaft 9 is provided with guide pins 11 (six in this embodiment) that are parallel to the rotation axis x and protrude from the end face of the second drive shaft 9.

[0027] The blade cassette 20 includes a blade carrier 21, cutting blades 23 (six in this embodiment) rotatably attached to the blade carrier 21, and a cover plate 27. FIGS. 5A and 5B each show a front view of the blade carrier 21. In the configuration shown in FIG. 5A, only three of the six cutting blades 23 are attached to the blade carrier 21. That is, the number and / or position of the cutting blades 23 of the blade carrier 21 can be changed. Basically, the blade carrier 21 is configured in a disk shape. The blade carrier 21 has a central through hole 21a for passing the cable to be processed. The blade carrier 21 has bearing pins 22 (six in this embodiment) that rotatably support the cutting blades 23. The bearing pins 22 protrude parallel to the rotation axis x of the blade carrier 21. The blade carrier 21 has a recess in which the cutting blades 23 are arranged. The blade carrier 21 has mounting holes 28 (two in this embodiment). The mounting holes 28 are configured to receive the driver pins 12, so that the blade carrier 21 can be attached to the first drive shaft 8 of the base module 10 in a specific rotational position. The blade carrier 21 has slotted holes 29 (six in this embodiment). The slotted holes 29 are configured so that the guide pins 11 extend through the slotted holes 29 and are movable along the slotted holes 29 when the blade carrier 21 is attached to the first drive shaft 8, so that the blade carrier 21 can rotate within a range defined by the slotted holes 29 relative to the second drive shaft 9 of the base module 10 on which the guide pins 11 are provided. In particular, the slotted holes 29 are curved and extend along a circle centered on the rotation axis x. The blade carrier 21 has a screw hole 34 (one in this embodiment). The blade carrier 21 has through holes 38 (three in this embodiment).

[0028] The cutting blades 23 are essentially of the same design, and one of the cutting blades 23 is exemplarily described below. Basically, the cutting blades 23 have an elongated plate shape. The cutting blade 23 has a hole 25 at its longitudinal end. The hole 25 is configured to receive one of the bearing pins 22 on the blade carrier 21, so that the cutting blade 23 is pivotally supported on the blade carrier 21 about a pivot axis v relative to the blade carrier 21 on a plane perpendicular to the rotation axis x. In other words, the hole 25 and the bearing pin 22 define a pivot point at which the cutting blade 23 is pivotally attached to the blade carrier 21. The cutting blade 23 has a slotted hole 26. The slotted hole 26 is configured to receive one of the guide pins 11. The guide pin 11 is movable along the slotted hole 26. The slotted hole 26 may be straight (see FIGS. 5A and 5B) or curved (see FIGS. 6A and 6B). When the cutting blade 23 is mounted on the blade carrier 21, a portion of the slot 26 of the cutting blade 23 overlaps with the underlying slot 29 of the blade carrier 21. In particular, the slot 26 has a different curvature and / or arrangement than the slot 29 of the blade carrier 21. The cutting blade 23 has a cutting edge 24. When mounted on the blade carrier 21, the cutting edge 24 is provided on a side of the cutting blade 23 facing the through hole 21a of the blade carrier 21, i.e. the cutting edge 24 faces the rotation axis x.

[0029] The blade carrier 21 can be rigidly attached to the first drive shaft 8 by the driver pin 12 and the attachment hole 28, i.e. in a fixed, predetermined rotational position. With the blade carrier 21 attached to the first drive shaft 8, the guide pin 11 on the second drive shaft 9 extends through the slot hole 29 of the blade carrier 21 and is inserted into the slot hole 26 of the cutting blade 23 attached to the blade carrier 21. During rotation of the second drive shaft 9 relative to the first drive shaft 8, the guide pin 11 moves in the slot hole 29 relative to the blade carrier 21. This movement causes the guide pin 11 to move in the slot hole 29 relative to the blade carrier 21 and to rotate the cutting blade 23 about the respective rotation axis v. Thus, the cutting edge 24 of the cutting blade 23 can rotate toward or away from the through hole 21a / rotation axis x depending on the orientation of the relative rotation of the second drive shaft 9 relative to the first drive shaft 8. During the rotation of the cutting blade 23 towards the through hole 21a / axis of rotation x by the relative rotation of the second drive shaft 9 with respect to the first drive shaft 8 in a first direction, the cutting blade 23 is rotated into a cutting position where the cutting edge 24 of the cutting blade 23 cuts into the insulation of the cable inserted in the through hole 21a. Subsequent or simultaneous mutual rotation of the first drive shaft 8 and the second drive shaft 9 about the axis of rotation x allows the cutting edge 24 to cut evenly into the insulation of the cable around the core of the cable. The cut-off portion of the insulation is then removed from the cable, for example by moving the cable along the axis of rotation x relative to the stripping device. Rotation of the second drive shaft 9 with respect to the first drive shaft 8 in a second direction opposite to the first direction causes the cutting blade 23 to rotate away from the through hole 21a / axis of rotation x after the cutting process or to return the cable to its original position, so that the treated cable is removed from the through hole 21a and a new cable can be inserted.

[0030] The number of cutting blades 23 may be selected depending on the application, in particular the cables to be processed. The blade carrier 21 shown in Figures 5A and 5B may be fitted with one to six cutting blades 23. Here, a rotationally symmetrical arrangement with two or three (Figure 5A) or six (Figure 5B) cutting blades 23 is preferred.

[0031] Alternative designs of the blade carrier 21 are shown, for example, in Figures 6A and 6B. The blade carrier 21 shown in Figures 6A and 6B may have one to four cutting blades 23 mounted thereon. Also, a rotationally symmetric arrangement with two (Figure 6A) or four (Figure 6B) cutting blades 23 is preferred. When using the blade carrier 21 shown in Figures 6A and 6B, the number and position of the driver pins 12 and guide pins 11 may have to match the number and / or position of the mounting holes 28 of the blade carrier 21 or the number and / or position of the slotted holes 26 and 29. The number and / or position of the screw holes 13 may have to match the number and / or position of the through holes 38.

[0032] Basically, the cover plate 27 is configured in a disk shape. The cover plate 27 has a through hole 27a for passing a cable. The cover plate 27 has a through hole 39. The cover plate 27 is screwed to the blade carrier 21 by a screw 35. The screw 35 is inserted into the through hole 39 and screwed into the screw hole 34 of the blade carrier 21. The cutting blade 23 is arranged between the blade carrier 21 and the cover plate 27. The cover plate 27 has through holes 37a (three in this embodiment). The through holes 37a are arranged at positions corresponding to the through hole 38 of the blade carrier 21 and the screw hole 13 of the first drive shaft 8 of the base module 10. The blade cassette 20 is screwed to the first drive shaft 8 by a screw 37. The screw 37 passes through the through holes 37a and 38 and is screwed into the screw hole 13.

[0033] 1 shows the mounting aid 30 attached to the blade cassette 20. The pin 31 of the mounting aid 30 is inserted along the rotation axis x into the through hole 27a of the cover plate 27, into the space formed between the cutting edges 24 of the cutting blades 23 and into the through hole 21a of the blade carrier 21. The blade cassette 20 can be removed from the base module 10 using the mounting aid 30 attached to the blade cassette 20, while the pin 31 holds the cutting blade 23 in its fixed position or other position. The mounting aid 30 is held on the blade cassette 20, in particular on the cover plate 27, by means of two magnets 32 or the like.

[0034] As shown in Figure 3, after the blade cassette 20 is removed from the base module 10, or before the blade cassette 20 is installed in the base module 10, the blade cassette 20 may be installed in a calibration station 40 for a calibration process. Figure 4 shows a corresponding exploded view.

[0035] The calibration station 40 has a first shaft 48 and a second shaft 49 similar to the first drive shaft 8 and the second drive shaft 9 of the base module 10. The second shaft 49 extends inside the first shaft 48. The first shaft 48 is configured as a hollow shaft. The first shaft 48 may be the same / integral with the housing of the calibration station 40. The first shaft 48 may be integrally formed with the upper part of the calibration station 40 housing and / or the second shaft 49 may be integrally formed with the lower part of the calibration station 40 housing, the first shaft 48 and the second shaft 49 being coaxially aligned and rotatable relative to each other. Similar to the first drive shaft 8 of the base module 10, the first shaft 48 has two driver pins 12. Similar to the second drive shaft 9, the second shaft 49 has six guide pins 11. The calibration station 40 includes a scale 41 that indicates the rotational position of a second shaft 49 relative to a first shaft 48 .

[0036] In FIG. 3, the plug gauge 42 is inserted into the blade cassette 20 mounted in the calibration station 40. In particular, the rod-shaped portion 42a of the plug gauge 42, which has a circular cross section similar to that of the pin 31 of the mounting aid 30, is inserted into the through hole 27a of the cover plate 27, into the space formed between the cutting edges 24 of the cutting blade 23, and into the through hole 21a of the blade carrier 21. The rod-shaped portion 42a has a diameter identical or similar to that of the core of the cable to be processed. By rotating the first shaft 48 and the second shaft 49 relative to each other, the cutting blade 23 of the blade cassette 20 mounted in the calibration station 40 is rotated towards the rod-shaped portion 42a in the direction of the cutting position until the cutting edge 24 comes into contact with the rod-shaped portion 42a. In this state, the rotational position of the second shaft 49 relative to the first shaft 48 can be read from the scale 41 and stored as a calibration value, parameter, etc. in the control device of the base module 10 or a higher-level machine or system. This allows the blade cassette 20 to be quickly and easily pre-calibrated prior to installation on the base module 10.

[0037] Depending on the application and the blade profile, such as a straight or curved profile, one plug gauge 42 may be used, or multiple plug gauges 42 having rod portions 42a with different diameters may be used.

[0038] The blade cassette 20 may be calibrated independently of the base module 10. In particular, the blade cassette 20 may be calibrated while the base module 10 is operating with a second blade cassette 20 attached. The second blade cassette may be removed from the base module 10, for example, using a second mounting aid. Immediately thereafter, the calibrated blade cassette 20 removed from the calibration station 40 may be mounted on the base module 10 using the mounting aid 30. After the confirmed calibration values ​​are communicated to the control device, production may continue using the blade cassette 20, while the second blade cassette is, for example, serviced and / or calibrated. Thus, downtimes may be reduced.

[0039] In the embodiment shown, the cover plate 27 may be fixed to the blade carrier 21 with the aid of a screw 35. Also, more than one screw may be provided. Alternatively / additionally, other fixing means may be used.

[0040] The mounting aid 30 may include an expanding mandrel, a bayonet catch, or an equivalent quick-connect mechanism that holds together the cover plate 27, the blade carrier 21, and the cutting blade 23 disposed therebetween. In this case, screwing the cover plate 27 to the blade carrier 21 using the screws 35 is not necessary and the screws 35 are omitted. When attached to the base module 10, the cover plate 27 is also held on the blade carrier 21 by the screws 37 of the above embodiment.

[0041] The cover plate 27 is not absolutely necessary and may be omitted. The cutting blade 23 may be fixed / held directly on the blade carrier 21, which may be fixed / held directly on the base module 10.

[0042] The blade cassette 20 does not have to be attached to the base module 10 with the aid of a screw 37. For example, the driver pin 12 may extend through a through hole in the cover plate 27 and a thread may be provided for screwing a nut onto the end of the driver pin 12. Alternatively / additionally, the blade cassette 20 may be fixed to the base module 10 using a retainer nut, for example centered with respect to the axis of rotation x.

[0043] The numbers of the screws 37, the through holes 37a, 38, and the screw holes 13 are not limited to three. The numbers of the screws 35, the through holes 39, and the screw holes 34 are not limited to one. The numbers of the driver pins 12 and the mounting holes 28 are not limited to two.

[0044] In the embodiment shown, the mounting aid 30 has a pin 31 for positioning the cutting blade 23 in a fixed position. Alternatively / additionally, the mounting aid 30 may have one or more locating pins 33 (see FIG. 6B ) configured to engage through the cover plate 27 into the slotted hole 26 of the cutting blade 23, in particular into an end of the slotted hole 26 other than the guide pin 11 in the fixed position. This allows the cutting blade 23 to be used without worrying about the problem of it becoming smaller after multiple sharpenings. Alternatively, the locating pin 33 of the mounting aid 30 may fix the cutting blade 23 in the desired position at another non-critical point.

[0045] The magnet 32 ​​is not necessarily required to attach the mounting aid 30 to the blade cassette 20. Alternatively / additionally, other fastening means may be used, such as one or more screws. The mounting aid 30 may be attached to the blade cassette 20 using the expanding mandrel described above or the bayonet catch described above.

[0046] The positions of the driver pin 12 and the mounting hole 28 can be interchanged. For example, the driver pin 12 can be provided on the surface of the blade carrier 21 facing the first drive shaft 8 and protrude parallel to the rotation axis x in the direction of the first drive shaft 8, and the mounting hole 28 can be formed in the surface of the first drive shaft 8 facing the blade carrier 21.

[0047] The driver pin 12 and the mounting hole 28 may be omitted. In this case, the blade cassette 20 may be mounted and positioned on the first output shaft 8 by the screw 37, the through holes 37a, 38 and the screw hole 13.

[0048] Alternatively / additionally, other attachment means than driver pin 12 may be used, such as protrusions. The same is true for guide pin 11.

[0049] The positions of the guide pin 11 and the slot hole 26 can be interchanged. For example, the guide pin 11 can be provided on the surface of the cutting blade 23 facing the blade carrier 21 or the second drive shaft 9 and protrude parallel to the rotation axis x in the direction of the second drive shaft 9 through the slot hole 26 of the blade carrier 21, and the slot hole 26 can be formed on the surface of the second drive shaft 9 facing the blade carrier 21.

[0050] The slotted holes 26 may be configured as straight or curved guide slots.

[0051] The positions of the bearing pin 22 and the hole 25 can be interchanged. For example, the bearing pin 22 can be provided on the surface of the cutting blade 23 facing the blade carrier 21, and the hole 25 can be formed in the surface of the blade carrier 21 facing the cutting blade 23.

[0052] The positions of the first drive shaft 8 and the second drive shaft 9 can be interchanged. The first drive shaft 8 may extend inside the second drive shaft 9. In this case, the positions of the mounting hole 28, the through hole 38, the slot holes 26, 29, the bearing pin 22, and the hole 25 may be adjusted accordingly. For example, the hole 25 may be provided in the central region of the cutting blade 23 along its longitudinal extension direction, and the bearing pin 22 may be provided at a corresponding position. The slot hole 29 may be arranged in a radially outer region of the blade carrier 21, and the slot hole 26 may be arranged at a corresponding position on the cutting blade 23. The mounting hole 28 and the through hole 38 may be arranged radially inward of the slot hole 29.

[0053] For example, the mounting holes 28 may be configured as through holes or blind holes. When the mounting holes 28 are configured as through holes in the blade carrier 21, holes (through holes or blind holes) may also be formed in the cover plate 27 at positions corresponding to the mounting holes 28 for receiving the driver pins 12.

[0054] For example, the blade carrier 21 may pivotally support two or more, in particular three or four or six or eight cutting blades 23 .

[0055] The drive of the first and second drive shafts 8 and 9 does not necessarily have to be via a belt 6 but may for example be via gears. The housing 7 does not necessarily have to be disc-shaped as shown in Figures 1 and 2 but may have a different shape that can suitably support the first and second drive shafts 8 and 9.

[0056] As an alternative to an embodiment having two drive motors 5, the two drive shafts 8 and 9 may be driven by one drive motor, similar to the technology disclosed in WO2020 / 119916A, and a servo motor rotates the drive shafts 8, 9 relative to each other.

[0057] It is expressly stated that all features disclosed in the specification and / or claims, regardless of the combination of features in the embodiments and / or claims, are intended to be disclosed separately and independently, both for the purposes of the original disclosure and for the purposes of the limitations of the invention as set forth in the claims. The display of any range or group of objects is expressly intended to disclose all possible intermediate values ​​or all possible objects therebetween, in particular for determining the limits of the range, both for the purposes of the original disclosure and for the purposes of the limitations of the invention as set forth in the claims.

Claims

1. a base module (10) having a housing (7) and two drive shafts (8, 9) coaxially supported on the housing (7), extending from one another and rotatable relative to the housing (7) and relative to one another; a blade cassette (20) comprising a blade carrier (21) detachably attached to an end of a first drive shaft (8) of the two drive shafts (8, 9) of the base module (10) and a cutting blade (23) attached to the blade carrier (21) at pivot points (22, 25) so as to be rotatable about a pivot axis (v) parallel to the rotation axis (x), the cutting blade having a cutting edge (24) facing in the direction of the rotation axis (x) for cutting an insulator; Equipped with the blade carrier (21) and the first drive shaft (8) having attachment means (12, 28) for releasably attaching the blade carrier (21) to the first drive shaft (8) at a predetermined rotational position relative to the first drive shaft (8); the cutting blade (23) or the second drive shaft (9) has a guide slot (26) for engaging with a guide element (11) provided on the other of the cutting blade (23) or the second drive shaft (9); the cutting blade (23) is pivotable towards or away from the axis of rotation (x) by rotation of the second drive shaft (9) relative to the first drive shaft (8) and the blade carrier (21) and the resulting movement of the guide element (11) relative to the blade carrier (21) along the guide slot (26); A stripping device (1) for stripping cables.

2. the first drive shaft (8) and the second drive shaft (9) are rotatably supported on the housing (7) even when the blade cassette (20) is not attached to the base module (10); and / or 2. The stripping device (1) of claim 1, wherein the blade cassette (20) is supported exclusively on the housing (7) via the first drive shaft (8) and / or the second drive shaft (9).

3. the first drive shaft (8) and the second drive shaft (9) are supported relative to one another; and / or The blade carrier (21) has an opening (21a) along the axis of rotation (x) for passing the cable. A stripping device (1) according to claim 1 or 2.

4. the blade carrier (21) or the first drive shaft (8) has a mounting hole (28) or a mounting recess for engaging a driver pin (12) provided on the other of the blade carrier (21) or the first drive shaft (8) and extending parallel to the axis of rotation (x); and / or the guide element (11) is configured as a guide pin (11) provided on the cutting blade (23) or on the second drive shaft (9) and extending parallel to the axis of rotation (x); and / or The guide slot (26) is configured as a curved or straight slot hole. A stripping device (1) according to any one of claims 1 to 3.

5. said blade cassette (20) comprises a plurality of cutting blades (23), in particular two, three, four, six or eight; and / or The blade carrier (21) and the first drive shaft (8) each have a plurality of attachment means (12, 28). A stripping device (1) according to any one of claims 1 to 4.

6. 6. The stripping machine (1) of claim 1, wherein the blade cassette (20) is attachable to the first drive shaft (8) of the base module (10) using a central retainer nut.

7. The blade cassette (20) further comprises a cover plate (27); The cover plate (27) has an opening (27a) along the axis of rotation (x) for passing the cable, the cutting blade (23) is provided between the blade carrier (21) and the cover plate (27); and / or The cover plate (27) is fixed to the blade carrier (21), in particular by means of a screw fastening. A stripping device (1) according to any one of claims 1 to 6.

8. A housing (7); two drive shafts (8, 9) coaxially supported on said housing (7), extending from one another and rotatable relative to said housing (7) and relative to one another; having a first drive shaft (8) of the two drive shafts (8, 9) having attachment means (12, 28) for releasably attaching a blade carrier (21) to an end of the first drive shaft (8) at a predetermined rotational position relative to the first drive shaft (8); the second drive shaft (9) has a guide slot (26) or a guide element (11) for pivoting the cutting blade (23) of the blade cassette (20); A base module (10) for a stripping device (1) according to any one of claims 1 to 7.

9. a blade carrier (21) detachably attached to an end of the first drive shaft (8) of the two drive shafts of the base module (10) of the stripping machine (1); a cutting blade (23) having a cutting edge (24) facing in the direction of said axis of rotation (x) for cutting into an insulating material, said cutting blade (23) being attached to said blade carrier (21) at pivot points (22, 25) so as to be rotatable about a pivot axis (v) parallel to said axis of rotation (x); having the blade carrier (21) has attachment means (12, 28) for removably attaching the blade carrier (21) to the first drive shaft (8) at a predetermined rotational position relative to the first drive shaft (8); the cutting blade (23) has a guide slot (26) or a guide element (11) configured to engage with a guide element (11) or a guide slot (26) provided on the second drive shaft (9); the cutting blade (23) is pivotable towards or away from the axis of rotation (x) by rotation of the second drive shaft (9) relative to the first drive shaft (8) and the blade carrier (21) and the resulting movement of the guide element (11) relative to the blade carrier (21) along the guide slot (26); A blade cassette (20) for a stripping machine (1) according to any one of claims 1 to 7.

10. A mounting unit having two shafts (48, 49) extending coaxially with each other and rotatable relative to each other, the first shaft (48) has attachment means (12) for removably attaching the blade carrier (21) to the first shaft (48) at a predetermined rotational position relative to the first shaft (48); the second shaft (49) has a guide slot (26) or a guide element (11) for pivoting the cutting blade (23); A mounting unit; A scale (41) indicating a rotational position of the second shaft (49) relative to the first shaft (48); The calibration station (40) for a blade cassette (20) of claim 9, comprising:

11. A stripping device (1) according to any one of claims 1 to 7, A calibration station (40) according to claim 10; a plug gauge (42) that is inserted into the blade cassette (20) in place of a cable along the axis of rotation (x) and configured to contact the cutting edge (24) of the cutting blade (23); A system comprising:

12. a central pin (31) adapted to be inserted into the opening (21 a) of the blade cassette (20) along the axis of rotation (x) and to contact the cutting edge (24) of the cutting blade (23); a positioning pin (33) configured to be inserted into the guide slot (26) of the cutting blade (23) and to fix the cutting blade (23) in a specific position; An installation aid (30) for a stripping device (1) according to any one of claims 1 to 7, comprising:

13. The installation aid (30) of claim 12, further comprising a magnet (32) configured to hold the installation aid (30) on the blade cassette (20).

14. 14. An installation aid (30) according to claim 12 or 13 for a stripping machine according to claim 7, further comprising a quick-connect mechanism, in particular an expanding mandrel or a bayonet catch, configured to hold the cover plate (27) and the blade carrier (21) together.

15. A system comprising a stripping device (1) according to claims 1 to 7 and a mounting aid (30) according to claims 12 to 14.

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